[INFO] crate collections-rs 0.3.1 is already in cache
[INFO] extracting crate collections-rs 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/collections-rs/0.3.1
[INFO] extracting crate collections-rs 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collections-rs/0.3.1
[INFO] validating manifest of collections-rs-0.3.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of collections-rs-0.3.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing collections-rs-0.3.1
[INFO] finished frobbing collections-rs-0.3.1
[INFO] frobbed toml for collections-rs-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/collections-rs/0.3.1/Cargo.toml
[INFO] started frobbing collections-rs-0.3.1
[INFO] finished frobbing collections-rs-0.3.1
[INFO] frobbed toml for collections-rs-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collections-rs/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing collections-rs-0.3.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collections-rs/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a9a1cc16c39c6d75230db06a6a0ab9a6c622a398ccd75ed588144fcf5af92349
[INFO] running `"docker" "start" "-a" "a9a1cc16c39c6d75230db06a6a0ab9a6c622a398ccd75ed588144fcf5af92349"`
[INFO] [stderr]    Compiling collections-rs v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "a9a1cc16c39c6d75230db06a6a0ab9a6c622a398ccd75ed588144fcf5af92349"`
[INFO] running `"docker" "rm" "-f" "a9a1cc16c39c6d75230db06a6a0ab9a6c622a398ccd75ed588144fcf5af92349"`
[INFO] [stdout] a9a1cc16c39c6d75230db06a6a0ab9a6c622a398ccd75ed588144fcf5af92349
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collections-rs/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 011ef2272680a028fe91b061538879758136d40e0abf9ce833aff38105a10600
[INFO] running `"docker" "start" "-a" "011ef2272680a028fe91b061538879758136d40e0abf9ce833aff38105a10600"`
[INFO] [stderr]    Compiling collections-rs v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "011ef2272680a028fe91b061538879758136d40e0abf9ce833aff38105a10600"`
[INFO] running `"docker" "rm" "-f" "011ef2272680a028fe91b061538879758136d40e0abf9ce833aff38105a10600"`
[INFO] [stdout] 011ef2272680a028fe91b061538879758136d40e0abf9ce833aff38105a10600
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collections-rs/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 96ae5a1c228e8077e29b41616e53c190ad9e4eda92a37b58e6e01fa9fb027fff
[INFO] running `"docker" "start" "-a" "96ae5a1c228e8077e29b41616e53c190ad9e4eda92a37b58e6e01fa9fb027fff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collections_rs-72817c385696ebe9
[INFO] [stderr]    Doc-tests collections-rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "96ae5a1c228e8077e29b41616e53c190ad9e4eda92a37b58e6e01fa9fb027fff"`
[INFO] running `"docker" "rm" "-f" "96ae5a1c228e8077e29b41616e53c190ad9e4eda92a37b58e6e01fa9fb027fff"`
[INFO] [stdout] 96ae5a1c228e8077e29b41616e53c190ad9e4eda92a37b58e6e01fa9fb027fff